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unimpeachable

adjective

/ˌʌnɪmˈpiːtʃəbl/

Meaning

Not able to be doubted, questioned, or criticized; completely trustworthy.

She is known for her unimpeachable honesty.

trustworthy, reliable, unquestionable, flawless, impeccable

doubtful, questionable, unreliable

unimpeachable integrity, unimpeachable source, unimpeachable character, unimpeachable honesty

being the only one of its kind; unlike anything else

displaying exaggerated flattery or affection

spoken rather than written; relating to the mouth

to some extent; rather; moderately

Disobedient or mischievous, often in a playful or mildly bad way.

separate and different; clear and recognizable; unique